6783942056 has 8 divisors (see below), whose sum is σ = 12719891370. Its totient is φ = 3391971024.

The previous prime is 6783942037. The next prime is 6783942079. The reversal of 6783942056 is 6502493876.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5495849956 + 1288092100 = 74134^2 + 35890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6783941995 and 6783942013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423996371 + ... + 423996386.

Almost surely, 2^6783942056 is an apocalyptic number.

It is an amenable number.

6783942056 is a deficient number, since it is larger than the sum of its proper divisors (5935949314).

6783942056 is a wasteful number, since it uses less digits than its factorization.

6783942056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847992763 (or 847992759 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 6783942056 is about 82364.6893759698. The cubic root of 6783942056 is about 1893.0440067657.

The spelling of 6783942056 in words is "six billion, seven hundred eighty-three million, nine hundred forty-two thousand, fifty-six".